<%= form_tag "/#{model}s", method: :get do %>
  <div class="row collapse">
    <div class="large-11 columns">
      <%= text_field_tag :search, nil, placeholder: holder %>
    </div>
    <div class="large-1 columns">
      <%= submit_tag "搜索", name: nil, class: "postfix button radius"%>
    </div>
  </div>
<% end %>
